Table prune routine doesn't walk over lists unless needed.

If no channel is flushing, table prune doesn't walk over routes in nets
and also doesn't walk over importing channel lists. This helps to
alleviate the memory caching burdens a lot.

1 files changed, 2 insertions, 0 deletions

diff --git a/nest/rt-attr.c b/nest/rt-attr.c
index b41e56c2..761ec0d9 100644
--- a/nest/rt-attr.c
+++ b/nest/rt-attr.c
@@ -568,6 +568,8 @@ static struct resclass ea_class_ref_class = {
 static void
 ea_class_init(void)
 {
+  ASSERT_DIE(ea_class_global == NULL);
+
   idm_init(&ea_class_idm, rta_pool, EA_CLASS_INITIAL_MAX);
   ea_class_global = mb_allocz(rta_pool,
       sizeof(*ea_class_global) * (ea_class_max = EA_CLASS_INITIAL_MAX));